Recent content by vavavavoom

Ok I found a generic message center number that solves this problem as long as you use it exactly with the + sign: The common message center number provisioned on all AT&T SIM cards nationally is +13123149810. Multiple Message Center Numbers are available for each region; however, each will...

I did the same thing but now I can't remember the original message center number. I tried putting the plus sign in front of my cell phone number (I'm using the ATT phone to use Cricket sim card) but the messages are still not going through. Everything was working fine until I changed that...